Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Trigonometry

Question:

If  sin2α - 3cos2α = 0 , find the value of α .

Options:

60°

30°

15°

45°

Correct Answer:

60°

Explanation:

sin2α - 3cos2α = 0

cot2α = \(\frac{1}{3}\) 

cotα = \(\frac{1}{\sqrt {3}}\)

α = 60°